code: def test_dependency_parse_multidoc_variant(
      self, processed_multidoc_variant
  ):
      assert (
          "\n\n".join(
              [
                  sent.dependencies_string()
                  for processed_doc in processed_multidoc_variant
                  for sent in processed_doc.sentences
              ]
          )
          == EN_DOC_DEPENDENCY_PARSES_GOLD
      )
  
imports: import pytest
  import stanza
  from stanza.utils.conll import CoNLL
  from stanza.models.common.doc import Document
  from stanza.tests import *
  from stanza.tests.pipeline.pipeline_device_tests import check_on_gpu, check_on_cpu
label_desc: Use image node_id 19 for calling the TestEnglishPipeline obj's underlying member method code with example usage: obj.test_dependency_parse_multidoc_variant(processed_multidoc_variant) without return types